Exact(5)
I've used imaging, and clearly we have shown that marijuana abusers have changes in certain areas of the brain involved with memory and motor coordination.
In particular, the patterns, detected in the firing of clusters of cells in the hippocampus, an area involved with memory formation and storage, were reproduced during phases of sleep that in humans are strongly linked to dreaming.
Though no one knows too much about the organization of insect brains, Heliconines have a larger than usual "mushroom body," a region of the brain thought to be involved with memory.
Most of the brain regions involved with memory encoding also have been observed to display abnormal activity in schizophrenia during working memory maintenance or delay periods [1], [16].
Interestingly, the distribution of the pathological features of AD seems to follow a region-specific pattern: the amyloid plaques are more prevalent in the neocortex and the neuronal/synaptic loss is more represented in the hippocampus, posterior cingulate, and corpus callosum areas of the brain closely involved with memory formation and higher cortical activities.
Similar(55)
For these reasons, expression of c- fos in the perirhinal cortex is seen as a marker for neural activity closely involved with recognition memory, creating the potential for new imaging approaches to understand this form of memory.
(Compared with most humans, for instance, taxicab drivers have brains that have larger areas that are involved with spatial memory).
She also visits people involved with the memory project including Joyce Grosvenor who was recently diagnosed with dementia.
Within this brain area, cAMP signaling is increased with aging leading to an increased opening of hyperpolarization-activated cyclic nucleotide-gated potassium channels and a reduced activity of neurons involved with working memory.
Studies have illustrated that the maturation of white matter fibre tracts, such as the superior longitudinal fasciculus, positively correlate with the functional activation of frontal and parietal regions involved with working memory [ 48, 59].
However, the PFC is also involved with declarative memory retrieval (Lepage et al. 2000) irrespective of whether task type is free recall, cued recall or recognition (Buckner and Wheeler 2001).
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